Nematode population in 5g of root | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nematode population in 200cc of soil (days) | No of egg masses (days) | No of females (days) | No of eggs/egg masses (days) | ||||||||||
Treatments | 0 | 45 | 75 | 105 | 45 | 75 | 105 | 45 | 75 | 105 | 45 | 75 | 105 |
T1 – SA 100ppm | 169.33bc | 167.66cd (0.99) | 166.00cd (0.99) | 164.66c (0.81) | 24.67c | 23.33d (5.42) | 22.00d (5.70) | 26.67bc | 24.66bc (7.53) | 24.00bc (2.68) | 212.33bc | 219.66b ( |
206.33a (6.07) |
T2 – JA 100ppm | 176.00abc | 174.66abcd (0.76) | 173.33bcd (0.76) | 172.00bc (0.77) | 24.67c | 23.66d (4.08) | 22.33d (5.62 | 28.67cd | 25.00c (12.79) | 24.33bc (2.68) | 198.66a | 204.33ab ( |
218.66f ( |
T3 – IBA 1000ppm | 181.33a | 178.66abc (1.47) | 176.00abc (1.49) | 173.33abc (1.52) | 23.33bc | 21.66cd (7.17) | 19.66c (9.23) | 26.33bc | 23.66bc (10.15) | 22.66b (4.23) | 209.66abc | 212.33ab ( |
217.33ef ( |
T4 – SA100ppm +JA 100ppm + IBA 1000ppm | 184.33a | 180.33ab (2.17) | 175.66abc (2.59) | 171.00bc (2.65) | 20.00a | 17.66a (11.70) | 14.66a (16.99) | 22.00a | 19.66a (10.64) | 16.66a (15.26) | 214.33c | 208.00ab (2.95) | 206.66a (0.64) |
T5 – SA 100ppm+JA 100ppm | 177.00abc | 175.33abcd (0.94) | 173.66abcd (0.95) | 172.33bc (0.77) | 24.67c | 23.33d (5.42) | 21.66d (7.16) | 26.67bc | 24.66bc (7.53) | 24.33bc (1.34) | 200.33ab | 203.66ab ( |
209.66bc ( |
T6 – JA100ppm + IBA1000ppm | 181.33c | 164.33d (1.79) | 161.33d (1.83) | 158.00c (2.06) | 23.00b | 21.00bc (8.70) | 18.66c (11.14) | 26.00b | 23.66bc (9.00) | 22.66b (4.23) | 219.66c | 218.66b (0.46) | 219.33f ( |
T7 – SA100ppm + IBA1000ppm | 167.33abc | 170.33bcd (1.92) | 167.00cd (1.96) | 163.33c (2.20 | 21.33a | 19.00ab (10.94) | 16.33b (14.05) | 23.33a | 20.33a (12.87) | 18.33a (9.84) | 215.33c | 204.33ab (5.11) | 209.66bc ( |
T8 – Mepiquat chloride 500 ppm | 179.00ab | 182.66a ( |
186.00a ( |
189.33a ( |
26.33d | 27.33e ( |
28.66e ( |
29.33de | 28.66d (2.30) | 30.66d ( |
207.33abc | 200.33a (3.38) | 208.33ab ( |
T9 – Chlormequat chloride 500 ppm | 174.66abc | 179.33abc ( |
183.66ab ( |
187.66ab ( |
27.33d | 28.33e ( |
29.00ef ( |
31.33e | 30.00de (4.26) | 32.00d ( |
219.66c | 217.66b (0.91) | 219.66f ( |
T10 – Untreated control | 176.66abc | 181.66ab ( |
186.00a ( |
190.00a ( |
27.67d | 29.00e ( |
30.33f ( |
29.67e | 31.33e ( |
32.33d ( |
218.66c | 219.66b ( |
212.33d (3.34) |
Nematode population in roots (5g) | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
No of egg masses (days) | No of females (days) | No of eggs/egg masses (days) | |||||||||||||
Treatments | 00 | 30 | 90 | 150 | 210 | 00 | 30 | 90 | 150 | 210 | 00 | 30 | 90 | 150 | 210 |
Experiment-1 | |||||||||||||||
|
17.32b | 13.45a (22.34) | 11.89c (31.35) | 09.83c (43.24) | 07.39b (57.33) | 30.48a | 22.23b (27.07) | 19.23c (36.91) | 16.52c (45.80) | 13.66b (55.18) | 149.98a | 145.65a (2.89) | 141.42a (5.71) | 138.43b (7.70) | 135.32b (9.77) |
|
19.54d | 15.68d (19.75) | 12.32cd (36.95) | 10.42c (46.67) | 09.26c (52.61) | 29.19a | 25.12c (13.94) | 22.74d (22.10) | 20.34d (30.32) | 17.51c (40.01) | 172.38d | 160.54c (6.87) | 154.57bc (10.33) | 151.63c (12.04) | 148.07c (14.10) |
|
16.38a | 14.56b (11.11) | 12.63d (22.89) | 10.35c (36.81) | 09.34c (42.98) | 34.52c | 30.09d (12.83) | 25.82e (25.20) | 21.84e (36.73) | 18.48d (46.47) | 163.34bc | 160.94c (1.47) | 157.32c (3.69) | 154.81c (5.22) | 152.29c (6.77) |
|
18.37c | 14.84bc (19.22) | 10.95b (40.39) | 04.64a (74.74) | 02.86a (84.43) | 34.87c | 21.32ab (38.86) | 14.09b (59.59) | 07.56a (78.32) | 03.98a (88.59) | 163.87bc | 152.42b (6.99) | 140.75a (14.11) | 129.43a (21.02) | 115.35a (29.61) |
|
19.65d | 15.26cd (22.34) | 10.12a (48.50) | 05.64b (71.30) | 02.85a (85.50) | 32.35b | 20.54a (36.51) | 12.45a (61.51) | 09.39b (70.97) | 04.54a (85.97) | 159.56b | 151.5ab 8(5.00) | 145.39ab (8.88) | 136.24ab (14.62) | 129.48b (18.85) |
|
20.46e | 18.23e (10.90) | 16.43e (19.70) | 14.65d (28.40) | 12.62d (38.32) | 37.98d | 32.94e (13.27) | 30.64f (19.33) | 26.98f (28.96) | 23.76e (37.44) | 167.67cd | 162.32c (3.19) | 158.24cd (5.62) | 155.85c (7.05) | 153.68c (8.34) |
Untreated control | 16.94ab | 19.56f (13.39) | 21.65f (21.76) | 22.32e (24.10) | 23.48e (27.85) | 29.26a | 30.29d (3.40) | 32.38g (9.64) | 35.63g (17.88) | 36.42f (19.66) | 158.23b | 164.09c (3.57) | 167.83d (5.72) | 171.34d (7.65) | 175.53d (9.86) |
Experiment-2 | |||||||||||||||
|
21.24bc | 16.20b (23.73) | 12.57b (40.82) | 08.90b (58.10) | 06.41b (69.82) | 30.38ab | 22.08ab (27.32) | 19.81b (34.79) | 14.61c (51.91) | 10.64c (64.98) | 163.42ab | 155.45ab (4.88) | 151.73b (7.15) | 144.24b (11.74) | 135.54b (17.06) |
|
22.89e | 18.34c (19.88) | 15.78d (31.06) | 12.06c (47.31) | 07.59c (66.84) | 36.87d | 28.46d (22.81) | 20.24bc (45.10) | 16.35d (55.66) | 11.73d (68.19) | 172.76c | 163.31cd (5.47) | 152.85b (11.52) | 139.68b (19.15) | 132.36b (23.39) |
|
20.45a | 17.81c (12.91) | 13.69c (33.06) | 11.51c (43.72) | 08.34d (59.22) | 30.37ab | 24.34c (19.86) | 20.92c (31.12) | 16.09d (47.02) | 12.44e (59.04) | 165.62bc | 161.45bc (2.52) | 156.43b (5.55) | 150.53c (9.11) | 147.62c (10.87) |
|
21.68cd | 14.50a (33.12) | 10.80a (50.18) | 05.84a (73.06) | 02.57a (88.15) | 29.35a | 20.78a (29.20) | 14.28a (51.35) | 09.52a (67.56) | 04.94a (83.17) | 157.47a | 149.39a (5.13) | 138.65a (11.95) | 129.04a (18.05) | 123.50a (21.57) |
|
22.24d | 16.20b (27.16) | 13.57c (38.98) | 08.90b (59.98) | 03.41c (84.66) | 31.38bc | 23.08bc (26.45) | 19.81b (36.87) | 10.61b (66.19) | 08.64b (72.47) | 167.42bc | 162.45cd (2.97) | 154.73b (7.58) | 142.24b (15.04) | 131.54b (21.43) |
|
20.89ab | 19.34d (7.42) | 16.78e (19.67) | 13.06d (37.48) | 11.59e (44.52) | 31.87c | 28.46d (10.70) | 25.24d (20.80) | 22.35e (29.87) | 19.73f (38.09) | 170.78bc | 168.78de (1.17) | 165.85c (2.89) | 161.68d (5.33) | 155.36d (9.03) |
Untreated control | 23.72f | 26.43e (10.25) | 29.26f (18.93) | 32.02e (25.92) | 34.56f (31.37) | 35.46d | 37.82e (6.24) | 40.24e (11.88) | 43.52f (18.52) | 45.68g (22.37) | 171.76c | 172.31e (0.32) | 176.54d (2.71) | 178.34e (3.69) | 179.54e (4.33) |
Variety | : | Luknow-49 |
Design | : | Randomized block design |
Treatments | : | Seven |
Replications | : | Ten |
Spacing | : | 3.0 m × 3.0 m |
Yield parameters | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
At vegetative stage | At fruiting stage | |||||||||||
Treatments | Tree height (m) | Girth of stem (cm) | Leaf area (cm2) | Tree height (m) | Girth of stem (cm) | Leaf area (cm2) | No. of fruits/tree (nos) | Fruit length (cm) | Shoots diameter (cm) | Average fruit weight (g) | Fruit yield/tree (kg tree
|
Fruit yield t/ha |
Experiment-1 | ||||||||||||
|
1.36b | 12.29b | 74.12b | 1.74b | 12.41b | 74.24b | 40.00b | 7.41b | 8.22bc | 278.12b | 11.12c | 10.91c |
|
1.34bc | 12.00b | 72.67bc | 1.72b | 12.14b | 72.77b | 39.60b | 7.30bc | 8.09cd | 264.00bc | 10.45d | 10.25d |
|
1.29cd | 11.42c | 70.00c | 1.68bc | 11.56c | 70.11bc | 38.40bc | 7.11bc | 7.93d | 259.00c | 9.95e | 9.76e |
|
1.80a | 16.00a | 82.10a | 2.14a | 16.19a | 82.24a | 45.20a | 8.68a | 8.59a | 336.20a | 15.20a | 14.91a |
|
1.78a | 15.91a | 79.27a | 2.11a | 16.04a | 79.39a | 43.60a | 8.61a | 8.47ab | 321.10a | 14.00b | 13.73b |
|
1.24de | 11.26cd | 66.21d | 1.59c | 11.40cd | 66.32cd | 37.10c | 6.89c | 7.62e | 231.00d | 8.57f | 8.41f |
Untreated control | 1.19e | 10.84d | 64.00d | 1.43d | 11.00d | 64.10d | 34.10d | 6.20d | 7.36e | 165.00e | 5.63g | 5.52g |
Experiment-2 | ||||||||||||
|
1.44b | 12.38b | 75.31b | 1.89c | 12.45b | 75.54b | 37.16c | 7.36b | 8.44ab | 261.06b | 9.70c | 9.52c |
|
1.39bc | 12.17bc | 74.70b | 1.83c | 12.24bc | 75.09b | 34.37d | 7.31bc | 8.35b | 239.14c | 8.22d | 8.06d |
|
1.32cd | 11.61cd | 68.84c | 1.71d | 11.67cd | 70.05c | 32.04e | 7.08c | 8.31bc | 259.00b | 8.30d | 8.14d |
|
1.86a | 16.18a | 82.07a | 2.49a | 16.29a | 82.25a | 43.02a | 8.43a | 8.69a | 310.40a | 13.35a | 13.10a |
|
1.81a | 16.02a | 80.89a | 2.28b | 16.17a | 81.16a | 41.01b | 8.39a | 8.63a | 304.20a | 12.48b | 12.24b |
|
1.28de | 11.39d | 63.13d | 1.60e | 11.44d | 65.17d | 30.03f | 6.72d | 8.29c | 220.03d | 6.61e | 6.48e |
Untreated control | 1.21e | 11.02d | 62.18d | 1.42f | 11.09d | 63.09d | 26.11g | 6.04e | 8.23d | 149.01e | 3.89f | 3.82f |
Plant height | – | The plant height of guava plants was measured from the ground level to the tip of the most stretched leaf in each replication. The mean values were expressed in cm |
Root length | – | The plant was uprooted along with its roots causing lower damage and its length was measured and expressed in cm |
Fresh root biomass | – | The roots of guava plants at 45, 75, 105 DAP were uprooted, washed and cleaned to remove the adhering water and soil particles and fresh root weight and was measured and expressed as g plant-1 |
Dry root biomass | – | The roots of guava plants at 45, 75, 105 DAP were uprooted, cleaned and air dried initially followed by oven drying at 65 ± 5oC till a constant weight was attained and root weight was measured and expressed as g/plant |
Chlorophyll index | – | SPAD meter |
Photosynthetic rate | – | Portable photosynthesis system (LI-6400XT, Licor Inc, Nebraska, USA) |
Transpiration rate | – | Portable photosynthesis system (LI-6400XT, Licor Inc, Nebraska, USA) |
Stomatal conductance | – | Portable photosynthesis system (LI-6400XT, Licor Inc, Nebraska, USA) |
Chlorophyll fluorescence | – | Chlorophyll fluorescence meter (Opti-sciences OS5p) |
Total phenols | – |
|
Peroxidase |
|
|
Polyphenol oxidase |
|
|
Acid phosphatase |
|
|
Phenylalanine ammonia lyase |
|
Nematode population in 200cc of soil | ||||||||
---|---|---|---|---|---|---|---|---|
Treatments | Initial population | 30 days | 60 days | 90 days | 120 days | 150 days | 180 days | 210 days |
Experiment-1 | ||||||||
|
189.32b | 180.46b (4.68) | 171.24a (9.55) | 162.87c (13.97) | 151.58a (19.93) | 140.32b (25.88) | 131.25b (30.67) | 123.87c (34.57) |
|
196.45bc | 190.09bc (3.24) | 183.26b (6.71) | 172.59b (12.15) | 163.34b (16.85) | 154.16d (21.53) | 140.42c (28.52) | 131.52d (33.05) |
|
177.78a | 169.21a (4.82) | 160.53a (9.70) | 155.65cd (12.45) | 151.68a (14.68) | 145.67c (18.06) | 137.67bc (22.56) | 122.74c (30.96) |
|
247.54d | 210.78d (14.85) | 188.39bc (23.90) | 174.87e (29.36) | 153.65a (37.93) | 132.82a (46.34) | 101.34a (59.06) | 86.87a (64.91) |
|
255.25d | 224.45e (12.07) | 190.23bc (25.47) | 188.54d (26.14) | 169.19bc (33.72) | 153.46d (39.88) | 129.87b (49.12) | 94.48b (62.99) |
|
201.23c | 193.84c (3.67) | 188.41bc (6.37) | 179.98f (10.56) | 174.34c (13.36) | 168.28e (16.37) | 163.56d (18.72) | 159.29e (20.84) |
Untreated control | 196.32bc | 197.87c (0.78) | 198.65c (1.17) | 199.83a (1.76) | 204.25d (3.88) | 207.58f (5.42) | 210.71e (6.83) | 229.45f (14.44) |
Experiment-2 | ||||||||
|
285.36b | 262.87b (7.88) | 248.54c (12.90) | 220.83c (22.61) | 199.18b (30.20) | 172.37b (39.60) | 158.43c (44.48) | 141.84c (50.29) |
|
278.48ab | 257.64b (7.48) | 249.25c (10.50) | 224.84c (19.26) | 201.13b (27.78) | 184.23b (33.84) | 165.87d (40.44) | 150.62c (45.91) |
|
300.97c | 289.13c (3.93) | 270.24d (10.21) | 258.45d (14.13) | 237.78c (21.00) | 219.55c (27.05) | 196.60e (34.68) | 173.75d (42.27) |
|
269.35a | 230.92a (14.27) | 200.45a (25.58) | 180.06a (33.15) | 157.36a (41.58) | 132.48a (50.81) | 98.09a (63.58) | 64.28a (76.14) |
|
280.42ab | 259.58b (7.43) | 215.26b (23.24) | 194.64b (30.59) | 165.92a (40.83) | 140.47a (49.91) | 112.64b (59.83) | 79.85b (71.52) |
|
300.97d | 289.13d (3.93) | 270.24e (10.21) | 258.45d (14.13) | 237.78c (21.00) | 219.55c (27.05) | 196.60f (34.68) | 173.75e (42.27) |
Untreated control | 278.97ab | 285.52c (2.29) | 290.48e (3.96) | 296.31e (5.85) | 298.52d (6.55) | 301.26d (07.40) | 305.95g (8.82) | 308.72f (9.64) |
Field trial-I | Field trial-II | ||
---|---|---|---|
Date of planting | : | 20.12.2017 | 12.08.2017 |
Date of treatment imposed | : | 03.01.2018 | 03.04.2018 |
Date of harvest | : | 04.02.2019 | 09.01.2019 |
Soil type | : | Red loamy | Sandy loam |